Which of the following is an Under-voltage condition?
A.
Spikes and surges
B.
Power sags
C.
Brownouts
D.
None of the above.
Explanation:
A brownout is a reduction in line voltage for an extended time period, ranging from a few minutes to a few days. Under-voltages are responsible for malfunctions andunexpected shutdowns of computer and process control equipment.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 227-240.